Question: What award did Joseph E. Stiglitz receive at the start of 1979?
Paraphrase: In 1979 Joseph E. Stiglitz received what award?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q18430 p:P166 ?s . ?s ps:P166 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1979')) }